New York City's only wildlife rehabilitation center treats more than 3,000 feathered and furry patients each year.

One of the only single-person private gravesites in New York City.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

This theater opened in 1998, but both the building and the puppeteers who perform there have a distinguished history.

Two community gardens under the elevated subway lines on a very busy commercial strip in Bushwick.

An 1883 schoolhouse now home to collective of artists.

Walking around West Harlem reveals a scavenger hunt of beautiful bird murals.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

A charming "tea atelier" hidden away in Greenpoint, Brooklyn.

An arcade packed with a rotating collection of unique independent video games.

From scholastic to sepulchral - now under reconstruction.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

This tiny store is your one-stop shop for all sorts of rare and wonderful buttons.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

The only surviving sidewalk clock in Brooklyn.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

This lavish room at NYC's French Embassy is a rare relic from the end of the Gilded Age.

Even for Egyptian royalty, the afterlife was bring-your-own-beef.

Once thought to be the fabled Holy Grail, it is now known to be an oil lamp.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

A yoga studio and venue for "chill-out parties" in a former chicken slaughterhouse.

The feral felines of Roosevelt Island have a small army of allies and an abandoned hospital all to themselves.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

The world’s largest collection of Tiffany glass sits in a warehouse in Queens.